发明名称 |
Tire pressure indicator |
摘要 |
A wheel-mounted tire pressure indicator which includes a housing enclosing a pneumatically-actuated pressure indicia scale as well as a self-contained battery and circuit for energizing a signal light on the housing when the tire pressure is below a predetermined selected value.
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申请公布号 |
US4059823(A) |
申请公布日期 |
1977.11.22 |
申请号 |
US19770759820 |
申请日期 |
1977.01.17 |
申请人 |
TYRSPY INC. |
发明人 |
MARTIN, CLYDE J.;NICHOLSON, FLOYD A. |
分类号 |
G01L17/00;B60C23/04;(IPC1-7):B60C23/04 |
主分类号 |
G01L17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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